How common is pelvic floor dysfunction in women?

In the US NHANES survey of 1,961 women aged 20 and over, 23.7% had at least one symptomatic pelvic floor disorder: 15.7% moderate-to-severe urinary incontinence, 9.0% faecal incontinence and 2.9% symptomatic prolapse. Broader definitions give higher figures – most population studies put any urinary leakage in women at 25–45%. Prevalence climbs steeply with age, from 9.7% of women in their 20s and 30s to 49.7% of those aged 80 and over.

How common is pelvic organ prolapse?

It depends on how you count. When defined by symptoms – seeing or feeling a bulge – prolapse affects 3–6% of women. When defined by what a clinician finds on vaginal examination, the figure is up to 50%, because many women have some descent without noticing it. Symptomatic prolapse is what drives treatment, and NICE suggests at least 16 weeks of supervised pelvic floor muscle training as a first option for stage 1–2 prolapse.

Does diastasis recti go away on its own after pregnancy?

Partly. In a Portuguese ultrasound study of 84 first-time mothers, every woman had an inter-rectus separation meeting the study definition at 35 weeks, falling to 39% at six months postpartum. A Norwegian cohort of 300 women found diastasis in 60% at six weeks, 45.4% at six months and 32.6% at twelve months. So roughly a third still have a separation a year on, which is why structured core work matters.

Are athletes more likely to have urinary incontinence?

Yes. A 2018 meta-analysis of eight studies found a 36% prevalence of urinary incontinence in female athletes across different sports, and a 177% higher risk compared with sedentary women. High-impact activity repeatedly raises intra-abdominal pressure, which overloads the pelvic floor. This is why pelvic floor training belongs in a strength programme even for fit, young women with no history of childbirth.

Does pelvic floor muscle training actually work?

The evidence is strong. The 2018 Cochrane review of 31 trials in 1,817 women found that women with stress incontinence doing pelvic floor muscle training were eight times more likely to report cure than controls (56% versus 6%; risk ratio 8.38), rated high-quality evidence. For cure or improvement the figures were 74% versus 11%, and leakage episodes fell by about one a day.

How long does pelvic floor training take to work?

NICE recommends a trial of supervised pelvic floor muscle training lasting at least 3 months as first-line treatment for stress or mixed urinary incontinence, with at least 8 contractions performed 3 times a day. In the Cochrane review most trial follow-ups were under 12 months, so judge progress over a season rather than a week – and NICE explicitly advises continuing the programme if it is helping.

Data & Statistics

Pelvic Floor Statistics 2026

Name: Pelvic Floor Statistics 2026 (compiled)
Creator: Pilates Protocols
License: https://creativecommons.org/licenses/by/4.0/

Pelvic floor dysfunction – urinary leakage, prolapse and the abdominal separation that follows pregnancy – is far more common than most people realise, and far more treatable than most people expect. Every figure here links to its original, publicly available source.

Journalists, researchers & AI assistants: 12 sourced statistics, free to cite with attribution — see how to cite this page. Last reviewed 1 October 2026.

Pelvic Floor Dysfunction at a glance: key facts

23.7% of US women aged 20 and over have at least one symptomatic pelvic floor disorder (urinary incontinence, faecal incontinence or prolapse).
Most population studies report a prevalence of any urinary incontinence in women of 25–45%, and more than 40% of women aged 70 and over are affected.
Pelvic organ prolapse affects 3–6% of women when defined by symptoms, but up to 50% when defined by vaginal examination.
Diastasis recti was present in 100% of first-time mothers at 35 weeks of pregnancy and 39% at 6 months postpartum in an ultrasound study.
Female athletes have a 36% prevalence of urinary incontinence and a 177% higher risk than sedentary women.
Women with stress urinary incontinence who do pelvic floor muscle training are 8 times more likely to report cure than controls (56% versus 6%).
NICE recommends a trial of supervised pelvic floor muscle training lasting at least 3 months as first-line treatment for stress or mixed urinary incontinence.

Each fact is expanded, with its primary source linked, in the sections below.

How Common Pelvic Floor Disorders Are

Roughly one woman in four has a symptomatic pelvic floor disorder, and the figure climbs steeply with age. Urinary leakage is the most common form.

23.7%

of US women aged 20+ have at least one symptomatic pelvic floor disorder

In a nationally representative US survey (NHANES 2005–2006) of 1,961 non-pregnant women, 23.7% (95% CI 21.2–26.2%) had at least one pelvic floor disorder: 15.7% had moderate-to-severe urinary incontinence, 9.0% had faecal incontinence and 2.9% had symptomatic pelvic organ prolapse.

Source: Nygaard et al. — JAMA (2008)

25–45%

of women report some urinary incontinence in most population studies

Reported prevalence varies widely with definitions and populations – from approximately 5% to 70% – but most studies report any urinary incontinence in the range of 25–45% of women. The mean annual incidence has been reported at 1% to 9%, with remission estimates from 4% to 30%.

Source: Milsom & Gyhagen — Climacteric (2019)

9.7% → 49.7%

prevalence of a pelvic floor disorder rises from women in their 20s–30s to those aged 80+

The proportion of women with at least one pelvic floor disorder increased incrementally with age, from 9.7% at ages 20–39 to 49.7% at 80 years or older. Milsom & Gyhagen similarly report that more than 40% of women aged 70 and over are affected by urinary incontinence.

Source: Nygaard et al. — JAMA (2008)

Prolapse, Pregnancy & the Postpartum Core

Prolapse is common on examination but much less often symptomatic. Abdominal separation (diastasis recti) is near-universal in late pregnancy and persists in roughly a third of women a year later.

3–6%

of women have symptomatic pelvic organ prolapse – up to 50% on examination

The International Consultation on Incontinence epidemiology review found that pelvic organ prolapse has a prevalence of 3–6% when defined by symptoms, and up to 50% when based on vaginal examination. The incidence of prolapse surgery is 1.5 to 1.8 per 1,000 woman-years, peaking in women aged 60–69.

Source: Barber & Maher — International Urogynecology Journal (2013)

100% → 39%

diastasis recti prevalence from 35 weeks of pregnancy to 6 months postpartum

In an ultrasound study of 84 healthy first-time mothers, every woman met the study definition of diastasis recti (inter-rectus distance of 16 mm at 2 cm below the umbilicus) at gestational week 35, falling to 39% at 6 months postpartum. Women with diastasis at 6 months were not more likely to report lumbopelvic pain.

Source: Mota et al. — Manual Therapy (2015)

60%

of first-time mothers had diastasis recti at 6 weeks postpartum

A Norwegian prospective cohort of 300 first-time pregnant women found diastasis recti (a palpated separation of two or more fingerbreadths) in 33.1% at gestational week 21, 60.0% at 6 weeks, 45.4% at 6 months and 32.6% at 12 months postpartum. Heavy lifting 20 or more times a week was associated with greater odds of diastasis (OR 2.18).

Source: Sperstad et al. — British Journal of Sports Medicine (2016)

Who Is Most at Risk

Childbirth, body weight and – perhaps surprisingly – high-impact sport all raise the likelihood of pelvic floor symptoms.

12.8% → 32.4%

pelvic floor disorder prevalence by number of births, from none to three or more

In the US NHANES analysis, the proportion of women with at least one pelvic floor disorder rose with parity: 12.8% with no deliveries, 18.4% with one, 24.6% with two and 32.4% with three or more deliveries.

Source: Nygaard et al. — JAMA (2008)

30.4% vs 15.1%

pelvic floor disorder prevalence in obese versus normal-weight women

Overweight women (26.3%) and obese women (30.4%) were more likely to report at least one pelvic floor disorder than normal-weight women (15.1%). The study found no differences in prevalence by racial or ethnic group.

Source: Nygaard et al. — JAMA (2008)

36%

prevalence of urinary incontinence in female athletes

A systematic review and meta-analysis of eight observational studies found a 36% prevalence of urinary incontinence in female athletes across different sports. Compared with sedentary women, athletes had a 177% higher risk of urinary incontinence, attributed to the repeated increases in intra-abdominal pressure generated by high-impact exercise.

Source: Teixeira et al. — International Urogynecology Journal (2018)

What the Evidence Says Helps

Pelvic floor muscle training is one of the best-evidenced conservative treatments in musculoskeletal health – and guidelines position it firmly as the first step, ahead of surgery or devices.

8×

more likely to report cure of stress incontinence with pelvic floor muscle training

The Cochrane review of 31 trials involving 1,817 women found that, compared with no treatment or inactive controls, women with stress urinary incontinence in pelvic floor muscle training groups were eight times more likely to report cure (56% versus 6%; risk ratio 8.38, 95% CI 3.68–19.07; 4 trials, 165 women; high-quality evidence).

Source: Dumoulin et al. — Cochrane Database of Systematic Reviews (2018)

74% vs 11%

reported cure or improvement of stress incontinence with training versus control

Women with stress urinary incontinence doing pelvic floor muscle training were six times more likely to report cure or improvement than controls (74% versus 11%; RR 6.33, 95% CI 3.88–10.33; moderate-quality evidence), and had about one fewer leakage episode per 24 hours (mean difference 1.23 fewer).

Source: Dumoulin et al. — Cochrane Database of Systematic Reviews (2018)

3 months

of supervised pelvic floor muscle training is NICE's first-line treatment

NICE guideline NG123 recommends offering a trial of supervised pelvic floor muscle training of at least 3 months' duration as first-line treatment to women with stress or mixed urinary incontinence, comprising at least 8 contractions performed 3 times a day. For symptomatic stage 1 or 2 prolapse, NICE suggests considering supervised training for at least 16 weeks as a first option.

Source: NICE Guideline NG123 — Urinary incontinence and pelvic organ prolapse in women (2019)

From Statistic to Structured Recovery

The numbers point the same way as the guidelines: pelvic floor symptoms are common, they respond to consistent, correctly performed muscle training, and that training needs to run for months rather than weeks. Each of these programmes builds progressive pelvic floor and deep-core work into a structured plan you can follow at home.

Pelvic Floor Strengthening →Postpartum Recovery →Pregnancy – Second Trimester →

Go deeper: Diastasis recti statistics · Evidence: Pilates for postpartum recovery · Exercises to relax the pelvic floor · Pelvic floor exercises for prolapse · Pilates for pelvic floor: what Reddit says

Prefer the underlying research first? Read the fully-referenced Clinical Evidence Library.

Pelvic Floor Dysfunction statistics: frequently asked questions

How common is pelvic floor dysfunction in women?: In the US NHANES survey of 1,961 women aged 20 and over, 23.7% had at least one symptomatic pelvic floor disorder: 15.7% moderate-to-severe urinary incontinence, 9.0% faecal incontinence and 2.9% symptomatic prolapse. Broader definitions give higher figures – most population studies put any urinary leakage in women at 25–45%. Prevalence climbs steeply with age, from 9.7% of women in their 20s and 30s to 49.7% of those aged 80 and over.
How common is pelvic organ prolapse?: It depends on how you count. When defined by symptoms – seeing or feeling a bulge – prolapse affects 3–6% of women. When defined by what a clinician finds on vaginal examination, the figure is up to 50%, because many women have some descent without noticing it. Symptomatic prolapse is what drives treatment, and NICE suggests at least 16 weeks of supervised pelvic floor muscle training as a first option for stage 1–2 prolapse.
Does diastasis recti go away on its own after pregnancy?: Partly. In a Portuguese ultrasound study of 84 first-time mothers, every woman had an inter-rectus separation meeting the study definition at 35 weeks, falling to 39% at six months postpartum. A Norwegian cohort of 300 women found diastasis in 60% at six weeks, 45.4% at six months and 32.6% at twelve months. So roughly a third still have a separation a year on, which is why structured core work matters.
Are athletes more likely to have urinary incontinence?: Yes. A 2018 meta-analysis of eight studies found a 36% prevalence of urinary incontinence in female athletes across different sports, and a 177% higher risk compared with sedentary women. High-impact activity repeatedly raises intra-abdominal pressure, which overloads the pelvic floor. This is why pelvic floor training belongs in a strength programme even for fit, young women with no history of childbirth.
Does pelvic floor muscle training actually work?: The evidence is strong. The 2018 Cochrane review of 31 trials in 1,817 women found that women with stress incontinence doing pelvic floor muscle training were eight times more likely to report cure than controls (56% versus 6%; risk ratio 8.38), rated high-quality evidence. For cure or improvement the figures were 74% versus 11%, and leakage episodes fell by about one a day.
How long does pelvic floor training take to work?: NICE recommends a trial of supervised pelvic floor muscle training lasting at least 3 months as first-line treatment for stress or mixed urinary incontinence, with at least 8 contractions performed 3 times a day. In the Cochrane review most trial follow-ups were under 12 months, so judge progress over a season rather than a week – and NICE explicitly advises continuing the programme if it is helping.

How to Cite This Page

These statistics are compiled by Pilates Protocols from the publicly available sources linked beside each figure. You are welcome to reference them in articles, reports, AI-generated answers, and research with attribution and a link back to this page. We always recommend citing the original primary source as well.

Suggested citation Pilates Protocols, "Pelvic Floor Statistics 2026", https://pilatesprotocols.com/pelvic-floor-statistics/

Primary sources used on this page (8)

For data, interviews, or press enquiries, contact [email protected]. Browse every dataset at /statistics/.

Note. This page summarises published research for general information. It is not medical advice. This page summarises published research for general information and is not medical advice. Sudden new incontinence with back pain or leg numbness, blood in the urine, inability to pass urine, or a prolapse bulge that cannot be reduced needs prompt medical assessment. Consult a clinician or pelvic health physiotherapist before beginning any programme, particularly in the early postpartum weeks.